Question

A radio telescope has a parabolic surface as shown below.
If the telescope is 1 m deep and 8 m wide, how far is the focus from the vertex?

Answer 1

@Mertsj

Answer 2

1 m

Answer 3

Thank you! Can you tell me why that's the answer?

Answer 4

Because the focus has to be on the axis of symmetry and in your picture that is the only place it could be and still be on the axis of symmetry

Answer 5

Ok, thanks again!

Answer 6

yw

Answer 7

pretty sure thats wrong